Interchange Future API Development. Modern PerlCommerce. Stefan Hornburg (Racke)

Transcription

1 Stefan Hornburg 14th German Perl-Workshop, 28th February 2012, Erlangen

2 Caveats Alternatives Interchange Around since Fast and stable. Flexible and extensible.

3 Caveats Alternatives Showcases Backcountry FragnanceNet

4 Caveats Alternatives My projects 20 projects 6 countries 80% income

5 Caveats Alternatives Interchange Sounds wonderful!

6 Caveats Alternatives Interchange Sounds wonderful! Really?

7 Caveats Alternatives Community Small group of developers Little activity Same people Not part of CPAN

8 Caveats Alternatives Developer Monolithic Same codebase Hard to find things

9 Caveats Alternatives User Obscure templating Missing extensions Bad demo

10 Caveats Alternatives Past

11 Caveats Alternatives Alternatives to Interchange Handel Agora Business::Cart::Generic

12 We need a plan! Modern Perl Policy Problem with Existing Codebase

13 We need a plan! Modern Perl Policy Problem with Existing Codebase Missing alternatives

14 We need a plan! Modern Perl Policy Problem with Existing Codebase Missing alternatives Strong competitors

15 We need a plan! Modern Perl Policy We need a plan!

16 We need a plan! Modern Perl Policy Rewrite from scratch?

17 We need a plan! Modern Perl Policy Rewrite from scratch? Too much work?

18 We need a plan! Modern Perl Policy Rewrite from scratch? Too much work? Modern Perl to the rescue!

19 We need a plan! Modern Perl Policy Modern Perl Plack/PSGI OO Moose Moo Web Frameworks Dancer Catalyst Mojolicious

20 We need a plan! Modern Perl Policy Delegated Tasks Dispatching requests Parameter parsing Session handling Template engine

21 We need a plan! Modern Perl Policy Extensions Bundles Plugins Hooks

22 We need a plan! Modern Perl Policy Policy KISS Components Assumptions Expressive

23 We need a plan! Modern Perl Policy

24 We need a plan! Modern Perl Policy Assumptions Cart Session DBI Webservice *

25 We need a plan! Modern Perl Policy Assumptions Account Manager DBI LDAP * OpenID *

26 We need a plan! Modern Perl Policy Assumptions Templating Engine Template::Toolkit Template::Flute

27 We need a plan! Modern Perl Policy Assumptions Web framework Catalyst Dancer Mojolicious

28 We need a plan! Modern Perl Policy Preferences Dancer Template::Flute DBI

29 We need a plan! Modern Perl Policy Features Navigation Cart Checkout Accounts

30 Cart Interchange Cart Checkout Products Accounts and Access Control Forms Web Services SKU, Name, Quantity, Price Price > 0 Combines automatically Multiple carts Storage everywhere Price caching

31 Nitesi::Cart Methods Interchange Cart Checkout Products Accounts and Access Control Forms Web Services use Dancer : : Plugin : : N i t e s i ; cart >add ( sku => POM253, name => Pomelo, p r i c e => 3.00, q u a n t i t y => 1 0 ) ; cart >remove ( sku => POM253 ) ; cart >count ( ) ; cart >c l e a r ( ) ; cart >t o t a l ( ) ; cart >s u b t o t a l ( ) ;

32 Everything is a Cart Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Saved Carts Wishlists Collections

33 Multiple Carts Interchange Cart Checkout Products Accounts and Access Control Forms Web Services c a r t ( w i s h l i s t ) >add ( sku => ORA322, name => Orange, p r i c e => 2.00, q u a n t i t y => 5 ) ;

34 Cart Backends Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Session DBI

35 Inventory Check Interchange Cart Checkout Products Accounts and Access Control Forms Web Services MinQuantityField MaxQuantityField min_quantity i n v e n t o r y : q u a n t i t y

36 Inventory Check Hook Interchange Cart Checkout Products Accounts and Access Control Forms Web Services hook before_ cart_ add => sub { my ( $cart, $item ) my ( $ i n v e n t o r y ) ; $ i n v e n t o r y = query >s e l e c t _ f i e l d ( t a b l e => products, f i e l d => i n v e n t o r y, where => { sku => $item >{sku } } ) ; } ; i f ( $item >{ q u a n t i t y } > $ i n v e n t o r y ) { $item >{ e r r o r } = Out of stock ; }

37 Cart Hooks Interchange Cart Checkout Products Accounts and Access Control Forms Web Services before_cart_add after_cart_add before_cart_update after_cart_update before_cart_remove after_cart_remove

38 Checkout Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Taxes Shipping Payment Invoice

39 Payment Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Business::CreditCard Business::OnlinePayment

40 charge Keyword Interchange Cart Checkout Products Accounts and Access Control Forms Web Services $tx = charge ( gateway => B r a i n t r e e, amount => cart >t o t a l, card_number => $values >{cc_number }, e x p i r a t i o n => $ e x p i r a t i o n, cvc => $values >{cvc_number } ) ; i f ( $tx >is_success ( ) ) {... } else {... }

41 Tax Modules on CPAN Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Business::Tax::Canada Business::CA::GST Business::Tax::VAT Business::Tax::VAT::Validation

42 Shipping Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Simple Shipping Crazy Shipping Shipping

43 Costs Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Tax Shipping Coupons

44 Absolute Costs Interchange Cart Checkout Products Accounts and Access Control Forms Web Services $cart >apply_ cost ( amount => 5, name => shipping, l a b e l => Shipping ) ;

45 Relative Costs Interchange Cart Checkout Products Accounts and Access Control Forms Web Services $cart >apply_ cost ( amount => 0. 19, r e l a t i v e => 1, name => tax, l a b e l => Salestax ) ;

46 Inclusive Costs Interchange Cart Checkout Products Accounts and Access Control Forms Web Services $cart >apply_ cost ( amount => 0. 19, r e l a t i v e => 1, i n c l u s i v e => 1, name => tax, l a b e l => Salestax ) ;

47 PDF Invoices Interchange Cart Checkout Products Accounts and Access Control Forms Web Services HTML template Template::Flute::PDF

48 Product Class Interchange Cart Checkout Products Accounts and Access Control Forms Web Services package N i t e s i : : Product ; use Moo; has sku => ( i s => rw ) ; has name => ( i s => rw ) ; has d e s c r i p t i o n => ( i s => rw ) ; has p r i c e => ( i s => rw ) ; has weight => ( i s => rw ) ; has p r i o r i t y => ( i s => rw ) ; has i n a c t i v e => ( i s => rw ) ; 1;

49 Product Subclass Interchange Cart Checkout Products Accounts and Access Control Forms Web Services package MyShop : : Product ; use Moo; use base N i t e s i : : Product ; has i n v e n t o r y ( i s => rw ) ; 1;

50 Product Backend Interchange Cart Checkout Products Accounts and Access Control Forms Web Services package N i t e s i : : Product : : Backend : : DBI ; use Moo; has dbh => ( i s => rw ) ; has query => ( i s => ro, lazy => 1, d e f a u l t => sub { N i t e s i : : Query : : DBI >new ( dbh => s h i f t >dbh ) ; } ) ; sub load {... } ; sub save {... } ; 1;

51 Accounts Interchange Cart Checkout Products Accounts and Access Control Forms Web Services post / l o g i n => sub { i f ( account >l o g i n ( username => params ( body ) >{username }, password => params ( body ) >{password } ) ) { r e d i r e c t / customerservice ; } else { r e d i r e c t / l o g i n ; } } ;

52 Accounts Interchange Cart Checkout Products Accounts and Access Control Forms Web Services get / m y w i s h l i s t => sub { i f ( account >a c l ( check => c r e a t e _ w i s h l i s t s ) ) { return template m y w i s h l i s t ; } account >s t a t u s ( l o g i n _ i n f o => Please l o g i n to view w i s h l i s t., l o g i n _ c o n t i n u e => m y w i s h l i s t, ) } ; r e d i r e c t / l o g i n ;

53 Account manager Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Account Providers Login/Logout Account Information Login status Forgot password Registration

54 Account Provider Interchange Cart Checkout Products Accounts and Access Control Forms Web Services DBI LDAP * Htpasswd * OpenID * OAuth *

55 Access Control Interchange Cart Checkout Products Accounts and Access Control Forms Web Services User Roles Permissions

56 Forms Interchange Cart Checkout Products Accounts and Access Control Forms Web Services Display Validation Storage

57 Web Services Interchange Cart Checkout Products Accounts and Access Control Forms Web Services REST XML-RPC SOAP

58 Projects Contribution Slides and Contact Questions The End Nitesi

59 Projects Contribution Slides and Contact Questions The End Vienna Shopping Cart

60 Projects Contribution Slides and Contact Questions The End Demo Shop Templates Navigation Database Payment Tests

61 Projects Contribution Slides and Contact Questions The End CPAN/GitHub Plugin::Nitesi/ https: //github.com//dancer-plugin-nitesi

62 Projects Contribution Slides and Contact Questions The End Slides and Contact Slides: perlcommerce-beamer.pdf schedule #interchange irc.freenode.net #dancer irc.perl.org

63 Projects Contribution Slides and Contact Questions The End Questions Question!

64 Projects Contribution Slides and Contact Questions The End Questions Questions?

65 Projects Contribution Slides and Contact Questions The End The End Thanks a lot!